A portrait by Sandro Botticelli has sold for $92m (£67m) at an auction at Sotheby’s in New York, breaking the sale record for the Italian renaissance painter. The painting Young Man Holding a Roundel is believed to have been painted in the 1470s or 1480s and is considered one of Botticelli’s finest works. Masterpiece Sotheby’s senior vice president Christopher Apostle described the painting as a “masterpiece” ahead of the auction. He said: “This Botticelli is...